Home / 200,312.90-276,435.08-109,667.36

Finding the Fourth Proportional to 200,312.90, 276,435.08 and 109,667.36

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Solution

The fourth proportional to 200,312.90, 276,435.08 and 109,667.36 is: 151,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,312.90 : 276,435.08 = 109,667.36 : x
  2. Step 2: Convert to fraction form
    200,312.90/276,435.08 = 109,667.36/x
  3. Step 3: Cross multiply
    200,312.90x = 276,435.08 × 109,667.36
  4. Step 4: Simplify right side
    200,312.90x = 30,315,905,434.99
  5. Step 5: Solve for x
    x = 30,315,905,434.99/200,312.90
  6. Step 6: Final answer
    x = 151,342.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.